/********************************************************************
 * openWYSIWYG v1.47 Copyright (c) 2006 openWebWare.com 
 * Contact us at devs@openwebware.com
 * This copyright notice MUST stay intact for use.
 *
 * $Id: wysiwyg.js,v 1.22 2007/09/08 21:45:57 xhaggi Exp $
 * $Revision: 1.22 $
 *
 * An open source WYSIWYG editor for use in web based applications.
 * For full source code and docs, visit http://www.openwebware.com
 *
 * This library is free software; you can redistribute it and/or modify 
 * it under the terms of the GNU Lesser General Public License as published 
 * by the Free Software Foundation; either version 2.1 of the License, or 
 * (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but 
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along 
 * with this library; if not, write to the Free Software Foundation, Inc., 59 
 * Temple Place, Suite 330, Boston, MA 02111-1307 USA  
 ********************************************************************/
var WYSIWYG = {
    /**
     * Settings class, holds all customizeable properties
     */
    Settings: function() {

        // Images Directory
        this.ImagesDir = "images/";

        // Popups Directory
        this.PopupsDir = "popups/";

        // CSS Directory File
        this.CSSFile = "styles/wysiwyg.css";

        // Default WYSIWYG width and height (use px or %)
        this.Width = "500px";
        this.Height = "200px";

        // Default stylesheet of the WYSIWYG editor window
        this.DefaultStyle = "font-family: Arial; font-size: 12px; background-color: #FFFFFF";

        // Stylesheet if editor is disabled
        this.DisabledStyle = "font-family: Arial; font-size: 12px; background-color: #EEEEEE";

        // Width + Height of the preview window
        this.PreviewWidth = 500;
        this.PreviewHeight = 400;

        // Confirmation message if you strip any HTML added by word
        this.RemoveFormatConfMessage = "Clean HTML inserted by MS Word ?";

        // Nofication if browser is not supported by openWYSIWYG, leave it blank for no message output.
        this.NoValidBrowserMessage = "openWYSIWYG does not support your browser.";

        // Anchor path to strip, leave it blank to ignore
        // or define auto to strip the path where the editor is placed 
        // (only IE)
        this.AnchorPathToStrip = "auto";

        // Image path to strip, leave it blank to ignore
        // or define auto to strip the path where the editor is placed 
        // (only IE)
        this.ImagePathToStrip = "auto";

        // Enable / Disable the custom context menu
        this.ContextMenu = true;

        // Enabled the status bar update. Within the status bar 
        // node tree of the actually selected element will build
        this.StatusBarEnabled = true;

        // If enabled than the capability of the IE inserting line breaks will be inverted.
        // Normal: ENTER = <p> , SHIFT + ENTER = <br>
        // Inverted: ENTER = <br>, SHIFT + ENTER = <p>
        this.InvertIELineBreaks = false;

        // Replace line breaks with <br> tags
        this.ReplaceLineBreaks = false;

        // Page that opened the WYSIWYG (Used for the return command)
        this.Opener = "admin.asp";

        // Insert image implementation
        this.ImagePopupFile = "";
        this.ImagePopupWidth = 0;
        this.ImagePopupHeight = 0;

        // Holds the available buttons displayed 
        // on the toolbar of the editor
        this.Toolbar = new Array();
        this.Toolbar[0] = new Array(
                "font",
                "fontsize",
                "headings",
                "bold",
                "italic",
                "underline",
                "strikethrough",
                "seperator",
                "forecolor",
                "backcolor",
                "seperator",
                "justifyfull",
                "justifyleft",
                "justifycenter",
                "justifyright",
                "seperator",
                "unorderedlist",
                "orderedlist",
                "outdent",
                "indent"
                );
        this.Toolbar[1] = new Array(
                "save",
                // "return",  // return button disabled by default
                "seperator",
                "subscript",
                "superscript",
                "seperator",
                "cut",
                "copy",
                "paste",
                "removeformat",
                "seperator",
                "undo",
                "redo",
                "seperator",
                "inserttable",
                "insertimage",
                "createlink",
                "seperator",
                "preview",
                "print",
                "seperator",
                "viewSource",
                "maximize",
                "seperator",
                "help"
                );

        // DropDowns
        this.DropDowns = new Array();
        // Fonts
        this.DropDowns['font'] = {
            id: "fonts",
            command: "FontName",
            label: "<font style=\"font-family:{value};font-size:12px;\">{value}</font>",
            width: "90px",
            elements: new Array(
                    "Arial",
                    "Sans Serif",
                    "Tahoma",
                    "Verdana",
                    "Courier New",
                    "Georgia",
                    "Times New Roman",
                    "Impact",
                    "Comic Sans MS"
                    )
        };
        // Font sizes
        this.DropDowns['fontsize'] = {
            id: "fontsizes",
            command: "FontSize",
            label: "<font size=\"{value}\">Size {value}</font>",
            width: "54px",
            elements: new Array(
                    "1",
                    "2",
                    "3",
                    "4",
                    "5",
                    "6",
                    "7"
                    )
        };
        // Headings
        this.DropDowns['headings'] = {
            id: "headings",
            command: "FormatBlock",
            label: "<{value} style=\"margin:0px;text-decoration:none;font-family:Arial\">{value}</{value}>",
            width: "74px",
            elements: new Array(
                    "H1",
                    "H2",
                    "H3",
                    "H4",
                    "H5",
                    "H6"
                    )
        };

        // Add the given element to the defined toolbar
        // on the defined position
        this.addToolbarElement = function(element, toolbar, position) {
            if (element != "seperator") {
                this.removeToolbarElement(element);
            }
            if (this.Toolbar[toolbar - 1] == null) {
                this.Toolbar[toolbar - 1] = new Array();
            }
            this.Toolbar[toolbar - 1].splice(position + 1, 1, element);
        };

        // Remove an element from the toolbar
        this.removeToolbarElement = function(element) {
            if (element == "seperator") {
                return;
            } // do not remove seperators
            for (var i = 0; i < this.Toolbar.length; i++) {
                if (this.Toolbar[i]) {
                    var toolbar = this.Toolbar[i];
                    for (var j = 0; j < toolbar.length; j++) {
                        if (toolbar[j] != null && toolbar[j] == element) {
                            this.Toolbar[i].splice(j, 1);
                        }
                    }
                }
            }
        };

        // clear all or a given toolbar
        this.clearToolbar = function(toolbar) {
            if (typeof toolbar == "undefined") {
                this.Toolbar = new Array();
            }
            else {
                this.Toolbar[toolbar + 1] = new Array();
            }
        };

    },
    /* ---------------------------------------------------------------------- *\
     !! Do not change something below or you know what you are doning !!
     \* ---------------------------------------------------------------------- */

    // List of available block formats (not in use)
    //BlockFormats: new Array("Address", "Bulleted List", "Definition", "Definition Term", "Directory List", "Formatted", "Heading 1", "Heading 2", "Heading 3", "Heading 4", "Heading 5", "Heading 6", "Menu List", "Normal", "Numbered List"),

    // List of available actions and their respective ID and images
    ToolbarList: {
        //Name              buttonID               buttonTitle           	buttonImage               buttonImageRollover
        "bold": ['Bold', 'Bold', 'bold.gif', 'bold_on.gif'],
        "italic": ['Italic', 'Italic', 'italics.gif', 'italics_on.gif'],
        "underline": ['Underline', 'Underline', 'underline.gif', 'underline_on.gif'],
        "strikethrough": ['Strikethrough', 'Strikethrough', 'strikethrough.gif', 'strikethrough_on.gif'],
        "seperator": ['', '', 'seperator.gif', 'seperator.gif'],
        "subscript": ['Subscript', 'Subscript', 'subscript.gif', 'subscript_on.gif'],
        "superscript": ['Superscript', 'Superscript', 'superscript.gif', 'superscript_on.gif'],
        "justifyleft": ['Justifyleft', 'Justifyleft', 'justify_left.gif', 'justify_left_on.gif'],
        "justifycenter": ['Justifycenter', 'Justifycenter', 'justify_center.gif', 'justify_center_on.gif'],
        "justifyright": ['Justifyright', 'Justifyright', 'justify_right.gif', 'justify_right_on.gif'],
        "justifyfull": ['Justifyfull', 'Justifyfull', 'justify_justify.gif', 'justify_justify_on.gif'],
        "unorderedlist": ['InsertUnorderedList', 'Insert Unordered List', 'list_unordered.gif', 'list_unordered_on.gif'],
        "orderedlist": ['InsertOrderedList', 'Insert Ordered List', 'list_ordered.gif', 'list_ordered_on.gif'],
        "outdent": ['Outdent', 'Outdent', 'indent_left.gif', 'indent_left_on.gif'],
        "indent": ['Indent', 'Indent', 'indent_right.gif', 'indent_right_on.gif'],
        "cut": ['Cut', 'Cut', 'cut.gif', 'cut_on.gif'],
        "copy": ['Copy', 'Copy', 'copy.gif', 'copy_on.gif'],
        "paste": ['Paste', 'Paste', 'paste.gif', 'paste_on.gif'],
        "forecolor": ['ForeColor', 'Fore Color', 'forecolor.gif', 'forecolor_on.gif'],
        "backcolor": ['BackColor', 'Back Color', 'backcolor.gif', 'backcolor_on.gif'],
        "undo": ['Undo', 'Undo', 'undo.gif', 'undo_on.gif'],
        "redo": ['Redo', 'Redo', 'redo.gif', 'redo_on.gif'],
        "inserttable": ['InsertTable', 'Insert Table', 'insert_table.gif', 'insert_table_on.gif'],
        "insertimage": ['InsertImage', 'Insert Image', 'insert_picture.gif', 'insert_picture_on.gif'],
        "createlink": ['CreateLink', 'Create Link', 'insert_hyperlink.gif', 'insert_hyperlink_on.gif'],
        "viewSource": ['ViewSource', 'View Source', 'view_source.gif', 'view_source_on.gif'],
        "viewText": ['ViewText', 'View Text', 'view_text.gif', 'view_text_on.gif'],
        "help": ['Help', 'Help', 'help.gif', 'help_on.gif'],
        "fonts": ['Fonts', 'Select Font', 'select_font.gif', 'select_font_on.gif'],
        "fontsizes": ['Fontsizes', 'Select Size', 'select_size.gif', 'select_size_on.gif'],
        "headings": ['Headings', 'Select Size', 'select_heading.gif', 'select_heading_on.gif'],
        "preview": ['Preview', 'Preview', 'preview.gif', 'preview_on.gif'],
        "print": ['Print', 'Print', 'print.gif', 'print_on.gif'],
        "removeformat": ['RemoveFormat', 'Strip Word HTML', 'remove_format.gif', 'remove_format_on.gif'],
        "delete": ['Delete', 'Delete', 'delete.gif', 'delete_on.gif'],
        "save": ['Save', 'Save document', 'save.gif', 'save_on.gif'],
        "return": ['Return', 'Return without saving', 'return.gif', 'return_on.gif'],
        "maximize": ['Maximize', 'Maximize the editor', 'maximize.gif', 'maximize_on.gif']
    },
    // stores the different settings for each textarea
    // the textarea identifier is used to store the settings object
    config: new Array(),
    // Create viewTextMode global variable and set to 0
    // enabling all toolbar commands while in HTML mode
    viewTextMode: new Array(),
    // maximized
    maximized: new Array(),
    /**
     * Get the range of the given selection
     *
     * @param {Selection} sel Selection object
     * @return {Range} Range object
     */
    getRange: function(sel) {
        return sel.createRange ? sel.createRange() : sel.getRangeAt(0);
    },
    /**
     * Return the editor div element
     *
     * @param {String} n Editor identifier 
     * @return {HtmlDivElement} Iframe object
     */
    getEditorDiv: function(n) {
        return $("wysiwyg_div_" + n);
    },
    /**
     * Return the editor table element
     *
     * @param {String} n Editor identifier 
     * @return {HtmlTableElement} Iframe object
     */
    getEditorTable: function(n) {
        return $("wysiwyg_table_" + n);
    },
    /**
     * Get the iframe object of the WYSIWYG editor
     * 
     * @param {String} n Editor identifier 
     * @return {HtmlIframeElement} Iframe object
     */
    getEditor: function(n) {
        return $("wysiwyg" + n);
    },
    /**
     * Get editors window element
     *
     * @param {String} n Editor identifier 
     * @return {HtmlWindowElement} Html window object
     */
    getEditorWindow: function(n) {
        return this.getEditor(n).contentWindow;
    },
    /**
     * Attach the WYSIWYG editor to the given textarea element
     *
     * @param {String} id Textarea identifier (all = all textareas)
     * @param {Settings} settings the settings which will be applied to the textarea
     */
    attach: function(id, settings) {
        if (id != "all") {
            this.setSettings(id, settings);
            WYSIWYG_Core.includeCSS(this.config[id].CSSFile);
            WYSIWYG_Core.addEvent(window, "load", function generateEditor() {
                WYSIWYG._generate(id, settings);
            });
        }
        else {
            WYSIWYG_Core.addEvent(window, "load", function generateEditor() {
                WYSIWYG.attachAll(settings);
            });
        }
    },
    /**
     * Attach the WYSIWYG editor to all textarea elements
     *
     * @param {Settings} settings Settings to customize the look and feel
     */
    attachAll: function(settings) {
        var areas = document.getElementsByTagName("textarea");
        for (var i = 0; i < areas.length; i++) {
            var id = areas[i].getAttribute("id");
            if (id == null || id == "")
                continue;
            this.setSettings(id, settings);
            WYSIWYG_Core.includeCSS(this.config[id].CSSFile);
            WYSIWYG._generate(id, settings);
        }
    },
    /**
     * Display an iframe instead of the textarea. 
     * It's used as textarea replacement to display HTML.
     *
     * @param id Textarea identifier (all = all textareas)
     * @param settings the settings which will be applied to the textarea
     */
    display: function(id, settings) {
        if (id != "all") {
            this.setSettings(id, settings);
            WYSIWYG_Core.includeCSS(this.config[id].CSSFile);
            WYSIWYG_Core.addEvent(window, "load", function displayIframe() {
                WYSIWYG._display(id, settings);
            });
        }
        else {
            WYSIWYG_Core.addEvent(window, "load", function displayIframe() {
                WYSIWYG.displayAll(settings);
            });
        }
    },
    /**
     * Display an iframe instead of the textarea. 
     * It's apply the iframe to all textareas found in the current document.
     *
     * @param settings Settings to customize the look and feel
     */
    displayAll: function(settings) {
        var areas = document.getElementsByTagName("textarea");
        for (var i = 0; i < areas.length; i++) {
            var id = areas[i].getAttribute("id");
            if (id == null || id == "")
                continue;
            this.setSettings(id, settings);
            WYSIWYG_Core.includeCSS(this.config[id].CSSFile);
            WYSIWYG._display(id, settings);
        }
    },
    /**
     * Set settings in config array, use the textarea id as identifier
     * 
     * @param n Textarea identifier (all = all textareas)
     * @param settings the settings which will be applied to the textarea
     */
    setSettings: function(n, settings) {
        if (typeof(settings) != "object") {
            this.config[n] = new this.Settings();
        }
        else {
            this.config[n] = settings;
        }
    },
    /**
     * Insert or modify an image
     * 
     * @param {String} src Source of the image
     * @param {Integer} width Width
     * @param {Integer} height Height
     * @param {String} align Alignment of the image
     * @param {String} border Border size
     * @param {String} alt Alternativ Text
     * @param {Integer} hspace Horizontal Space
     * @param {Integer} vspace Vertical Space
     * @param {String} n The editor identifier (the textarea's ID)
     */
    insertImage: function(src, width, height, align, border, alt, hspace, vspace, n) {

        // get editor
        var doc = this.getEditorWindow(n).document;
        // get selection and range
        var sel = this.getSelection(n);
        var range = this.getRange(sel);

        // the current tag of range
        var img = this.findParent("img", range);

        // element is not a link
        var update = (img == null) ? false : true;
        if (!update) {
            img = doc.createElement("img");
        }

        // set the attributes
        WYSIWYG_Core.setAttribute(img, "src", src);
        WYSIWYG_Core.setAttribute(img, "style", "width:" + width + ";height:" + height);
        if (align != "") {
            WYSIWYG_Core.setAttribute(img, "align", align);
        } else {
            img.removeAttribute("align");
        }
        WYSIWYG_Core.setAttribute(img, "border", border);
        WYSIWYG_Core.setAttribute(img, "alt", alt);
        WYSIWYG_Core.setAttribute(img, "hspace", hspace);
        WYSIWYG_Core.setAttribute(img, "vspace", vspace);
        img.removeAttribute("width");
        img.removeAttribute("height");

        // on update exit here
        if (update) {
            return;
        }

        // Check if IE or Mozilla (other)
        if (WYSIWYG_Core.isMSIE) {
            range.pasteHTML(img.outerHTML);
        }
        else {
            this.insertNodeAtSelection(img, n);
        }
    },
    /**
     * Insert or modify a link
     * 
     * @param {String} href The url of the link
     * @param {String} target Target of the link
     * @param {String} style Stylesheet of the link
     * @param {String} styleClass Stylesheet class of the link
     * @param {String} name Name attribute of the link
     * @param {String} n The editor identifier (the textarea's ID)
     */
    insertLink: function(href, target, style, styleClass, name, n) {

        // get editor
        var doc = this.getEditorWindow(n).document;
        // get selection and range
        var sel = this.getSelection(n);
        var range = this.getRange(sel);
        var lin = null;

        // get element from selection
        if (WYSIWYG_Core.isMSIE) {
            if (sel.type == "Control" && range.length == 1) {
                range = this.getTextRange(range(0));
                range.select();
            }
        }

        // find a as parent element
        lin = this.findParent("a", range);

        // check if parent is found
        var update = (lin == null) ? false : true;
        if (!update) {
            lin = doc.createElement("a");
        }

        // set the attributes
        WYSIWYG_Core.setAttribute(lin, "href", href);
        WYSIWYG_Core.setAttribute(lin, "class", styleClass);
        WYSIWYG_Core.setAttribute(lin, "className", styleClass);
        WYSIWYG_Core.setAttribute(lin, "target", target);
        WYSIWYG_Core.setAttribute(lin, "name", name);
        WYSIWYG_Core.setAttribute(lin, "style", style);

        // on update exit here
        if (update) {
            return;
        }

        // Check if IE or Mozilla (other)
        if (WYSIWYG_Core.isMSIE) {
            range.select();
            lin.innerHTML = range.htmlText;
            range.pasteHTML(lin.outerHTML);
        }
        else {
            var node = range.startContainer;
            var pos = range.startOffset;
            if (node.nodeType != 3) {
                node = node.childNodes[pos];
            }
            if (node.tagName)
                lin.appendChild(node);
            else
                lin.innerHTML = sel;
            this.insertNodeAtSelection(lin, n);
        }
    },
    /**
     * Strips any HTML added by word
     *
     * @param {String} n The editor identifier (the textarea's ID)
     */
    removeFormat: function(n) {

        if (!confirm(this.config[n].RemoveFormatConfMessage)) {
            return;
        }
        var doc = this.getEditorWindow(n).document;
        var str = doc.body.innerHTML;

        str = str.replace(/<span([^>])*>(&nbsp;)*\s*<\/span>/gi, '');
        str = str.replace(/<span[^>]*>/gi, '');
        str = str.replace(/<\/span[^>]*>/gi, '');
        str = str.replace(/<p([^>])*>(&nbsp;)*\s*<\/p>/gi, '');
        str = str.replace(/<p[^>]*>/gi, '');
        str = str.replace(/<\/p[^>]*>/gi, '');
        str = str.replace(/<h([^>])[0-9]>(&nbsp;)*\s*<\/h>/gi, '');
        str = str.replace(/<h[^>][0-9]>/gi, '');
        str = str.replace(/<\/h[^>][0-9]>/gi, '');
        str = str.replace(/<B [^>]*>/ig, '<b>');

        // var repl_i1 = /<I[^>]*>/ig;
        // str = str.replace (repl_i1, '<i>');

        str = str.replace(/<DIV[^>]*>/ig, '');
        str = str.replace(/<\/DIV>/gi, '');
        str = str.replace(/<[\/\w?]+:[^>]*>/ig, '');
        str = str.replace(/(&nbsp;){2,}/ig, '&nbsp;');
        str = str.replace(/<STRONG>/ig, '');
        str = str.replace(/<\/STRONG>/ig, '');
        str = str.replace(/<TT>/ig, '');
        str = str.replace(/<\/TT>/ig, '');
        str = str.replace(/<FONT [^>]*>/ig, '');
        str = str.replace(/<\/FONT>/ig, '');
        str = str.replace(/STYLE=\"[^\"]*\"/ig, '');
        str = str.replace(/<([\w]+) class=([^ |>]*)([^>]*)/gi, '<$1$3');
        str = str.replace(/<([\w]+) style="([^"]*)"([^>]*)/gi, '<$1$3');
        str = str.replace(/width=([^ |>]*)([^>]*)/gi, '');
        str = str.replace(/classname=([^ |>]*)([^>]*)/gi, '');
        str = str.replace(/align=([^ |>]*)([^>]*)/gi, '');
        str = str.replace(/valign=([^ |>]*)([^>]*)/gi, '');
        str = str.replace(/<\\?\??xml[^>]>/gi, '');
        str = str.replace(/<\/?\w+:[^>]*>/gi, '');
        str = str.replace(/<st1:.*?>/gi, '');
        str = str.replace(/o:/gi, '');

        str = str.replace(/<!--([^>])*>(&nbsp;)*\s*<\/-->/gi, '');
        str = str.replace(/<!--[^>]*>/gi, '');
        str = str.replace(/<\/--[^>]*>/gi, '');

        doc.body.innerHTML = str;
    },
    /**
     * Display an iframe instead of the textarea.
     * 
     * @private
     * @param {String} n The editor identifier (the textarea's ID)
     * @param {Object} settings Object which holds the settings
     */
    _display: function(n, settings) {

        // Get the textarea element
        var textarea = $(n);

        // Validate if textarea exists
        if (textarea == null) {
            alert("No textarea found with the given identifier (ID: " + n + ").");
            return;
        }

        // Validate browser compatiblity
        if (!WYSIWYG_Core.isBrowserCompatible()) {
            if (this.config[n].NoValidBrowserMessage != "") {
                alert(this.config[n].NoValidBrowserMessage);
            }
            return;
        }

        // Load settings in config array, use the textarea id as identifier
        if (typeof(settings) != "object") {
            this.config[n] = new this.Settings();
        }
        else {
            this.config[n] = settings;
        }

        // Hide the textarea 
        textarea.style.display = "none";

        // Override the width and height of the editor with the 
        // size given by the style attributes width and height
        if (textarea.style.width) {
            this.config[n].Width = textarea.style.width;
        }
        if (textarea.style.height) {
            this.config[n].Height = textarea.style.height
        }

        // determine the width + height
        var currentWidth = this.config[n].Width;
        var currentHeight = this.config[n].Height;

        // Calculate the width + height of the editor 
        var ifrmWidth = "100%";
        var ifrmHeight = "100%";
        if (currentWidth.search(/%/) == -1) {
            ifrmWidth = currentWidth;
            ifrmHeight = currentHeight;
        }

        // Create iframe which will be used for rich text editing
        var iframe = '<table cellpadding="0" cellspacing="0" border="0" style="width:' + currentWidth + '; height:' + currentHeight + ';" class="tableTextareaEditor"><tr><td valign="top">\n'
                + '<iframe frameborder="0" id="wysiwyg' + n + '" class="iframeText" style="width:' + ifrmWidth + ';height:' + ifrmHeight + ';"></iframe>\n'
                + '</td></tr></table>\n';

        // Insert after the textArea both toolbar one and two
        textarea.insertAdjacentHTML("afterEnd", iframe);

        // Pass the textarea's existing text over to the content variable
        var content = textarea.value;
        var doc = this.getEditorWindow(n).document;

        // Replace all \n with <br> 
        if (this.config[n].ReplaceLineBreaks) {
            content = content.replace(/(\r\n)|(\n)/ig, "<br>");
        }

        // Write the textarea's content into the iframe
        doc.open();
        doc.write(content);
        doc.close();

        // Set default style of the editor window
        WYSIWYG_Core.setAttribute(doc.body, "style", this.config[n].DefaultStyle);
    },
    /**
     * Replace the given textarea with wysiwyg editor
     * 
     * @private
     * @param {String} n The editor identifier (the textarea's ID)
     * @param {Object} settings Object which holds the settings
     */
    _generate: function(n, settings) {

        // Get the textarea element
        var textarea = $(n);
        // Validate if textarea exists
        if (textarea == null) {
            alert("No textarea found with the given identifier (ID: " + n + ").");
            return;
        }

        // Validate browser compatiblity
        if (!WYSIWYG_Core.isBrowserCompatible()) {
            if (this.config[n].NoValidBrowserMessage != "") {
                alert(this.config[n].NoValidBrowserMessage);
            }
            return;
        }

        // Hide the textarea 
        textarea.style.display = 'none';

        // Override the width and height of the editor with the 
        // size given by the style attributes width and height
        if (textarea.style.width) {
            this.config[n].Width = textarea.style.width;
        }
        if (textarea.style.height) {
            this.config[n].Height = textarea.style.height
        }

        // determine the width + height
        var currentWidth = this.config[n].Width;
        var currentHeight = this.config[n].Height;

        // Calculate the width + height of the editor 
        var toolbarWidth = currentWidth;
        var ifrmWidth = "100%";
        var ifrmHeight = "100%";
        if (currentWidth.search(/%/) == -1) {
            toolbarWidth = currentWidth.replace(/px/gi, "");
            toolbarWidth = (parseFloat(toolbarWidth) + 2) + "px";
            ifrmWidth = currentWidth;
            ifrmHeight = currentHeight;
        }

        // Generate the WYSIWYG Table
        // This table holds the toolbars and the iframe as the editor
        var editor = "";
        editor += '<div id="wysiwyg_div_' + n + '" style="width:' + currentWidth + ';">';
        editor += '<table border="0" cellpadding="0" cellspacing="0" class="tableTextareaEditor" id="wysiwyg_table_' + n + '" style="width:' + currentWidth + '; height:' + currentHeight + ';">';
        editor += '<tr><td style="height:22px;vertical-align:top;">';

        // Output all command buttons that belong to toolbar one
        for (var j = 0; j < this.config[n].Toolbar.length; j++) {
            if (this.config[n].Toolbar[j] && this.config[n].Toolbar[j].length > 0) {
                var toolbar = this.config[n].Toolbar[j];

                // Generate WYSIWYG toolbar one
                editor += '<table border="0" cellpadding="0" cellspacing="0" class="toolbar1" style="width:100%;" id="toolbar' + j + '_' + n + '">';
                editor += '<tr><td style="width:6px;"><img src="' + this.config[n].ImagesDir + 'seperator2.gif" alt="" hspace="3"></td>';

                // Interate over the toolbar element
                for (var i = 0; i < toolbar.length; i++) {
                    var id = toolbar[i];
                    if (toolbar[i]) {
                        if (typeof (this.config[n].DropDowns[id]) != "undefined") {
                            var dropdown = this.config[n].DropDowns[id];
                            editor += '<td style="width: ' + dropdown.width + ';">';
                            // write the drop down content
                            editor += this.writeDropDown(n, id);
                            editor += '</td>';
                        }
                        else {

                            // Get the values of the Button from the global ToolbarList object
                            var buttonObj = this.ToolbarList[toolbar[i]];
                            if (buttonObj) {
                                var buttonID = buttonObj[0];
                                var buttonTitle = buttonObj[1];
                                var buttonImage = this.config[n].ImagesDir + buttonObj[2];
                                var buttonImageRollover = this.config[n].ImagesDir + buttonObj[3];

                                if (toolbar[i] == "seperator") {
                                    editor += '<td style="width: 12px;" align="center">';
                                    editor += '<img src="' + buttonImage + '" border=0 unselectable="on" width="2" height="18" hspace="2" unselectable="on">';
                                    editor += '</td>';
                                }
                                // View Source button
                                else if (toolbar[i] == "viewSource") {
                                    editor += '<td style="width: 22px;">';
                                    editor += '<span id="HTMLMode' + n + '"><img src="' + buttonImage + '" border="0" unselectable="on" title="' + buttonTitle + '" id="' + buttonID + '" class="buttonEditor" onmouseover="this.className=\'buttonEditorOver\'; this.src=\'' + buttonImageRollover + '\';" onmouseout="this.className=\'buttonEditor\'; this.src=\'' + buttonImage + '\';" onclick="WYSIWYG.execCommand(\'' + n + '\', \'' + buttonID + '\');" unselectable="on" width="20" height="20"></span>';
                                    editor += '<span id="textMode' + n + '"><img src="' + this.config[n].ImagesDir + 'view_text.gif" border="0" unselectable="on" title="viewText" id="ViewText" class="buttonEditor" onmouseover="this.className=\'buttonEditorOver\'; this.src=\'' + this.config[n].ImagesDir + 'view_text_on.gif\';" onmouseout="this.className=\'buttonEditor\'; this.src=\'' + this.config[n].ImagesDir + 'view_text.gif\';" onclick="WYSIWYG.execCommand(\'' + n + '\',\'ViewText\');" unselectable="on"  width="20" height="20"></span>';
                                    editor += '</td>';
                                }
                                else {
                                    editor += '<td style="width: 22px;">';
                                    editor += '<img src="' + buttonImage + '" border=0 unselectable="on" title="' + buttonTitle + '" id="' + buttonID + '" class="buttonEditor" onmouseover="this.className=\'buttonEditorOver\'; this.src=\'' + buttonImageRollover + '\';" onmouseout="this.className=\'buttonEditor\'; this.src=\'' + buttonImage + '\';" onclick="WYSIWYG.execCommand(\'' + n + '\', \'' + buttonID + '\');" unselectable="on" width="20" height="20">';
                                    editor += '</td>';
                                }
                            }
                        }
                    }
                }
                editor += '<td>&nbsp;</td></tr></table>';
            }
        }

        editor += '</td></tr><tr><td valign="top">\n';
        // Create iframe which will be used for rich text editing
        editor += '<iframe frameborder="0" id="wysiwyg' + n + '" class="iframeText" style="width:100%;height:' + currentHeight + ';"></iframe>\n'
                + '</td></tr>';
        // Status bar HTML code
        if (this.config[n].StatusBarEnabled) {
            editor += '<tr><td class="wysiwyg-statusbar" style="height:10px;" id="wysiwyg_statusbar_' + n + '">&nbsp;</td></tr>';
        }
        editor += '</table>';
        editor += '</div>';

        // Insert the editor after the textarea	    
        textarea.insertAdjacentHTML("afterEnd", editor);

        // Hide the "Text Mode" button
        // Validate if textMode Elements are prensent
        if ($("textMode" + n)) {
            $("textMode" + n).style.display = 'none';
        }

        // Pass the textarea's existing text over to the content variable
        var content = textarea.value;
        var doc = this.getEditorWindow(n).document;


        // Replace all \n with <br> 
        if (this.config[n].ReplaceLineBreaks) {
            content = content.replace(/\n\r|\n/ig, "<br>");
        }

        // Write the textarea's content into the iframe
        doc.open();
        doc.write(content);
        doc.close();

        // Make the iframe editable in both Mozilla and IE
        // Improve compatiblity for IE + Mozilla
        if (doc.body.contentEditable) {
            doc.body.contentEditable = true;
        }
        else {
            doc.designMode = "on";
        }

        // Set default font style
        WYSIWYG_Core.setAttribute(doc.body, "style", this.config[n].DefaultStyle);

        // Enable table highlighting
        WYSIWYG_Table.refreshHighlighting(n);

        // Event Handling
        // Update the textarea with content in WYSIWYG when user submits form
        for (var idx = 0; idx < document.forms.length; idx++) {
            WYSIWYG_Core.addEvent(document.forms[idx], "submit", function xxx_aa() {
                WYSIWYG.updateTextArea(n);
            });
        }

        // close font selection if mouse moves over the editor window
        WYSIWYG_Core.addEvent(doc, "mouseover", function xxx_bb() {
            WYSIWYG.closeDropDowns(n);
        });

        // If it's true invert the line break capability of IE
        if (this.config[n].InvertIELineBreaks) {
            WYSIWYG_Core.addEvent(doc, "keypress", function xxx_cc() {
                WYSIWYG.invertIELineBreakCapability(n);
            });
        }

        // status bar update
        if (this.config[n].StatusBarEnabled) {
            WYSIWYG_Core.addEvent(doc, "mouseup", function xxx_dd() {
                WYSIWYG.updateStatusBar(n);
            });
        }

        // custom context menu
        if (this.config[n].ContextMenu) {
            WYSIWYG_ContextMenu.init(n);
        }

        // init viewTextMode var
        this.viewTextMode[n] = false;
    },
    /**
     * Disable the given WYSIWYG Editor Box
     * 
     * @param {String} n The editor identifier (the textarea's ID)
     */
    disable: function(n) {

        // get the editor window
        var editor = this.getEditorWindow(n);

        // Validate if editor exists
        if (editor == null) {
            alert("No editor found with the given identifier (ID: " + n + ").");
            return;
        }

        if (editor) {
            // disable design mode or content editable feature
            if (editor.document.body.contentEditable) {
                editor.document.body.contentEditable = false;
            }
            else {
                editor.document.designMode = "Off";
            }

            // change the style of the body
            WYSIWYG_Core.setAttribute(editor.document.body, "style", this.config[n].DisabledStyle);

            // hide the status bar
            this.hideStatusBar(n);

            // hide all toolbars
            this.hideToolbars(n);
        }
    },
    /**
     * Enables the given WYSIWYG Editor Box
     * 
     * @param {String} n The editor identifier (the textarea's ID)
     */
    enable: function(n) {

        // get the editor window
        var editor = this.getEditorWindow(n);

        // Validate if editor exists
        if (editor == null) {
            alert("No editor found with the given identifier (ID: " + n + ").");
            return;
        }

        if (editor) {
            // disable design mode or content editable feature
            if (editor.document.body.contentEditable) {
                editor.document.body.contentEditable = true;
            }
            else {
                editor.document.designMode = "On";
            }

            // change the style of the body
            WYSIWYG_Core.setAttribute(editor.document.body, "style", this.config[n].DefaultStyle);

            // hide the status bar
            this.showStatusBar(n);

            // hide all toolbars
            this.showToolbars(n);
        }
    },
    /**
     * Returns the node structure of the current selection as array
     * 
     * @param {String} n The editor identifier (the textarea's ID)
     */
    getNodeTree: function(n) {

        var sel = this.getSelection(n);
        var range = this.getRange(sel);

        // get element of range
        var tag = this.getTag(range);
        if (tag == null) {
            return;
        }
        // get parent of element
        var node = this.getParent(tag);
        // init the tree as array with the current selected element
        var nodeTree = new Array(tag);
        // get all parent nodes
        var ii = 1;

        while (node != null && node.nodeName != "#document") {
            nodeTree[ii] = node;
            node = this.getParent(node);
            ii++;
        }

        return nodeTree;
    },
    /**
     * Removes the current node of the selection
     *
     * @param {String} n The editor identifier (the textarea's ID)
     */
    removeNode: function(n) {
        // get selection and range
        var sel = this.getSelection(n);
        var range = this.getRange(sel);
        // the current tag of range
        var tag = this.getTag(range);
        var parent = tag.parentNode;
        if (tag == null || parent == null) {
            return;
        }
        if (tag.nodeName == "HTML" || tag.nodeName == "BODY") {
            return;
        }

        // copy child elements of the node to the parent element before remove the node
        var childNodes = new Array();
        for (var i = 0; i < tag.childNodes.length; i++)
            childNodes[i] = tag.childNodes[i];
        for (var i = 0; i < childNodes.length; i++)
            parent.insertBefore(childNodes[i], tag);

        // remove node
        parent.removeChild(tag);
        // validate if parent is a link and the node is only 
        // surrounded by the link, then remove the link too
        if (parent.nodeName == "A" && !parent.hasChildNodes()) {
            if (parent.parentNode) {
                parent.parentNode.removeChild(parent);
            }
        }
        // update the status bar
        this.updateStatusBar(n);
    },
    /**
     * Get the selection of the given editor
     * 
     * @param {String} n The editor identifier (the textarea's ID)
     */
    getSelection: function(n) {
        var ifrm = this.getEditorWindow(n);
        var doc = ifrm.document;
        var sel = null;
        if (ifrm.getSelection) {
            sel = ifrm.getSelection();
        }
        else if (doc.getSelection) {
            sel = doc.getSelection();
        }
        else if (doc.selection) {
            sel = doc.selection;
        }
        return sel;
    },
    /**
     * Updates the status bar with the current node tree
     *
     * @param {String} n The editor identifier (the textarea's ID)
     */
    updateStatusBar: function(n) {

        // get the node structure
        var nodeTree = this.getNodeTree(n);
        if (nodeTree == null) {
            return;
        }
        // format the output
        var outputTree = "";
        var max = nodeTree.length - 1;
        for (var i = max; i >= 0; i--) {
            if (nodeTree[i].nodeName != "HTML" && nodeTree[i].nodeName != "BODY") {
                outputTree += '<a class="wysiwyg-statusbar" href="javascript:WYSIWYG.selectNode(\'' + n + '\',' + i + ');">' + nodeTree[i].nodeName + '</a>';
            }
            else {
                outputTree += nodeTree[i].nodeName;
            }
            if (i > 0) {
                outputTree += " > ";
            }
        }

        // update the status bar 	
        var statusbar = $("wysiwyg_statusbar_" + n);
        if (statusbar) {
            statusbar.innerHTML = outputTree;
        }
    },
    /**
     * Execute a command on the editor document
     * 
     * @param {String} command The execCommand (e.g. Bold)
     * @param {String} n The editor identifier
     * @param {String} value The value when applicable
     */
    execCommand: function(n, cmd, value) {

        // When user clicks toolbar button make sure it always targets its respective WYSIWYG
        this.getEditorWindow(n).focus();

        // When in Text Mode these execCommands are enabled
        var textModeCommands = new Array("ViewText", "Print");

        // Check if in Text mode and a disabled command execute
        var cmdValid = false;
        for (var i = 0; i < textModeCommands.length; i++) {
            if (textModeCommands[i] == cmd) {
                cmdValid = true;
            }
        }
        if (this.viewTextMode[n] && !cmdValid) {
            alert("You are in TEXT Mode. This feature has been disabled.");
            return;
        }

        // rbg to hex convertion implementation dependents on browser
        var toHexColor = WYSIWYG_Core.isMSIE ? WYSIWYG_Core._dec_to_rgb : WYSIWYG_Core.toHexColor;

        // popup screen positions
        var popupPosition = {left: parseInt(window.screen.availWidth / 3), top: parseInt(window.screen.availHeight / 3)};

        // Check the insert image popup implementation
        var imagePopupFile = this.config[n].PopupsDir + 'insert_image.html';
        var imagePopupWidth = 400;
        var imagePopupHeight = 210;
        if (typeof this.config[n].ImagePopupFile != "undefined" && this.config[n].ImagePopupFile != "") {
            imagePopupFile = this.config[n].ImagePopupFile;
        }
        if (typeof this.config[n].ImagePopupWidth && this.config[n].ImagePopupWidth > 0) {
            imagePopupWidth = this.config[n].ImagePopupWidth;
        }
        if (typeof this.config[n].ImagePopupHeight && this.config[n].ImagePopupHeight > 0) {
            imagePopupHeight = this.config[n].ImagePopupHeight;
        }

        // switch which action have to do
        switch (cmd) {
            case "Maximize":
                this.maximize(n);
                break;
            case "FormatBlock":
                WYSIWYG_Core.execCommand(n, cmd, "<" + value + ">");
                break;
                // ForeColor and 
            case "ForeColor":
                var rgb = this.getEditorWindow(n).document.queryCommandValue(cmd);
                var currentColor = rgb != '' ? toHexColor(this.getEditorWindow(n).document.queryCommandValue(cmd)) : "000000";
                window.open(this.config[n].PopupsDir + 'select_color.html?color=' + currentColor + '&command=' + cmd + '&wysiwyg=' + n, 'popup', 'location=0,status=0,scrollbars=0,width=210,height=165,top=' + popupPosition.top + ',left=' + popupPosition.left).focus();
                break;

                // BackColor
            case "BackColor":
                var currentColor = toHexColor(this.getEditorWindow(n).document.queryCommandValue(cmd));
                window.open(this.config[n].PopupsDir + 'select_color.html?color=' + currentColor + '&command=' + cmd + '&wysiwyg=' + n, 'popup', 'location=0,status=0,scrollbars=0,width=210,height=165,top=' + popupPosition.top + ',left=' + popupPosition.left).focus();
                break;

                // InsertImage
            case "InsertImage":
                window.open(imagePopupFile + '?wysiwyg=' + n, 'popup', 'location=0,status=0,scrollbars=0,resizable=0,width=' + imagePopupWidth + ',height=' + imagePopupHeight + ',top=' + popupPosition.top + ',left=' + popupPosition.left).focus();
                break;

                // Remove Image
            case "RemoveImage":
                this.removeImage(n);
                break;

                // Remove Link
            case "RemoveLink":
                this.removeLink(n);
                break;

                // Remove a Node
            case "RemoveNode":
                this.removeNode(n);
                break;

                // Create Link
            case "CreateLink":
                window.open(this.config[n].PopupsDir + 'insert_hyperlink.html?wysiwyg=' + n, 'popup', 'location=0,status=0,scrollbars=0,resizable=0,width=350,height=160,top=' + popupPosition.top + ',left=' + popupPosition.left).focus();
                break;

                // InsertTable
            case "InsertTable":
                window.open(this.config[n].PopupsDir + 'create_table.html?wysiwyg=' + n, 'popup', 'location=0,status=0,scrollbars=0,resizable=0,width=500,height=260,top=' + popupPosition.top + ',left=' + popupPosition.left).focus();
                break;

                // ViewSource
            case "ViewSource":
                this.viewSource(n);
                break;

                // ViewText
            case "ViewText":
                this.viewText(n);
                break;

                // Help
            case "Help":
                window.open(this.config[n].PopupsDir + 'about.html?wysiwyg=' + n, 'popup', 'location=0,status=0,scrollbars=0,resizable=0,width=400,height=350,top=' + popupPosition.top + ',left=' + popupPosition.left).focus();
                break;

                // Strip any HTML added by word
            case "RemoveFormat":
                this.removeFormat(n);
                break;

                // Preview thx to Korvo
            case "Preview":
                window.open(this.config[n].PopupsDir + 'preview.html?wysiwyg=' + n, 'popup', 'location=0,status=0,scrollbars=1,resizable=1,width=' + this.config[n].PreviewWidth + ',height=' + this.config[n].PreviewHeight + ',top=' + popupPosition.top + ',left=' + popupPosition.left).focus();
                break;

                // Print
            case "Print":
                this.print(n);
                break;

                // Save
            case "Save":
                WYSIWYG.updateTextArea(n);
                var form = WYSIWYG_Core.findParentNode("FORM", this.getEditor(n));
                if (form == null) {
                    alert("Can not submit the content, because no form element found.");
                    return;
                }
                form.submit();
                break;

                // Return
            case "Return":
                location.replace(this.config[n].Opener);
                break;

            default:
                WYSIWYG_Core.execCommand(n, cmd, value);

        }

        // hide node the font + font size selection
        this.closeDropDowns(n);
    },
    /**
     * Maximize the editor instance
     * 
     * @param {String} n The editor identifier
     */
    maximize: function(n) {

        var divElm = this.getEditorDiv(n);
        var tableElm = this.getEditorTable(n);
        var editor = this.getEditor(n);
        var setting = this.config[n];
        var size = WYSIWYG_Core.windowSize();
        size.width -= 5;
        if (this.maximized[n]) {
            WYSIWYG_Core.setAttribute(divElm, "style", "position:static;z-index:9998;top:0px;left:0px;width:" + setting.Width + ";height:100%;");
            WYSIWYG_Core.setAttribute(tableElm, "style", "width:" + setting.Width + ";height:" + setting.Height + ";");
            WYSIWYG_Core.setAttribute(editor, "style", "width:100%;height:" + setting.Height + ";");
            this.maximized[n] = false;
        }
        else {
            WYSIWYG_Core.setAttribute(divElm, "style", "position:absolute;z-index:9998;top:0px;left:0px;width:" + size.width + "px;height:" + size.height + "px;");
            WYSIWYG_Core.setAttribute(tableElm, "style", "width:100%;height:100%;");
            WYSIWYG_Core.setAttribute(editor, "style", "width:100%;height:100%;");
            this.maximized[n] = true;
        }

    },
    /**
     * Insert HTML into WYSIWYG in rich text
     *
     * @param {String} html The HTML being inserted (e.g. <b>hello</b>)
     * @param {String} n The editor identifier
     */
    insertHTML: function(html, n) {
        if (WYSIWYG_Core.isMSIE) {
            this.getEditorWindow(n).document.selection.createRange().pasteHTML(html);
        }
        else {
            var span = this.getEditorWindow(n).document.createElement("span");
            span.innerHTML = html;
            this.insertNodeAtSelection(span, n);
        }
    },
    /* ---------------------------------------------------------------------- *\
     Function    : insertNodeAtSelection()
     Description : insert HTML into WYSIWYG in rich text (mozilla)
     Usage       : WYSIWYG.insertNodeAtSelection(insertNode, n)
     Arguments   : insertNode - The HTML being inserted (must be innerHTML inserted within a div element)
     n          - The editor identifier that the HTML will be inserted into (the textarea's ID)
     \* ---------------------------------------------------------------------- */
    insertNodeAtSelection: function(insertNode, n) {

        // get editor document
        var doc = this.getEditorWindow(n).document;
        // get current selection
        var sel = this.getSelection(n);

        // get the first range of the selection
        // (there's almost always only one range)
        var range = sel.getRangeAt(0);

        // deselect everything
        sel.removeAllRanges();

        // remove content of current selection from document
        range.deleteContents();

        // get location of current selection
        var container = range.startContainer;
        var pos = range.startOffset;

        // make a new range for the new selection
        range = doc.createRange();

        if (container.nodeType == 3 && insertNode.nodeType == 3) {
            // if we insert text in a textnode, do optimized insertion
            container.insertData(pos, insertNode.data);
            // put cursor after inserted text
            range.setEnd(container, pos + insertNode.length);
            range.setStart(container, pos + insertNode.length);
        }
        else {

            var afterNode;
            var beforeNode;
            if (container.nodeType == 3) {
                // when inserting into a textnode
                // we create 2 new textnodes
                // and put the insertNode in between
                var textNode = container;
                container = textNode.parentNode;
                var text = textNode.nodeValue;

                // text before the split
                var textBefore = text.substr(0, pos);
                // text after the split
                var textAfter = text.substr(pos);

                beforeNode = document.createTextNode(textBefore);
                afterNode = document.createTextNode(textAfter);

                // insert the 3 new nodes before the old one
                container.insertBefore(afterNode, textNode);
                container.insertBefore(insertNode, afterNode);
                container.insertBefore(beforeNode, insertNode);

                // remove the old node
                container.removeChild(textNode);
            }
            else {
                // else simply insert the node
                afterNode = container.childNodes[pos];
                container.insertBefore(insertNode, afterNode);
            }

            try {
                range.setEnd(afterNode, 0);
                range.setStart(afterNode, 0);
            }
            catch (e) {
                alert(e);
            }
        }

        sel.addRange(range);
    },
    /**
     * Prints the content of the WYSIWYG editor area
     * 
     * @param {String} n The editor identifier (textarea ID)
     */
    print: function(n) {
        if (document.all && navigator.appVersion.substring(22, 23) == 4) {
            var doc = this.getEditorWindow(n).document;
            doc.focus();
            var OLECMDID_PRINT = 6;
            var OLECMDEXECOPT_DONTPROMPTUSER = 2;
            var OLECMDEXECOPT_PROMPTUSER = 1;
            var WebBrowser = '<object id="WebBrowser1" width="0" height="0" classid="CLSID:8856F961-340A-11D0-A96B-00C04FD705A2"></object>';
            doc.body.insertAdjacentHTML('beforeEnd', WebBrowser);
            WebBrowser.ExecWB(OLECMDID_PRINT, OLECMDEXECOPT_DONTPROMPTUSER);
            WebBrowser.outerHTML = '';
        } else {
            this.getEditorWindow(n).print();
        }
    },
    /**
     * Writes the content of an drop down
     *
     * @param {String} n The editor identifier (textarea ID)
     * @param {String} id Drop down identifier
     * @return {String} Drop down HTML
     */
    writeDropDown: function(n, id) {

        var dropdown = this.config[n].DropDowns[id];
        var toolbarObj = this.ToolbarList[dropdown.id];
        var image = this.config[n].ImagesDir + toolbarObj[2];
        var imageOn = this.config[n].ImagesDir + toolbarObj[3];
        dropdown.elements.sort();

        var output = "";
        output += '<table border="0" cellpadding="0" cellspacing="0"><tr>';
        output += '<td onMouseOver="$(\'img_' + dropdown.id + '_' + n + '\').src=\'' + imageOn + '\';" onMouseOut="$(\'img_' + dropdown.id + '_' + n + '\').src=\'' + image + '\';">';
        output += '<img src="' + image + '" id="img_' + dropdown.id + '_' + n + '" height="20" onClick="WYSIWYG.openDropDown(\'' + n + '\',\'' + dropdown.id + '\');" unselectable="on" border="0"><br>';
        output += '<span id="elm_' + dropdown.id + '_' + n + '" class="dropdown" style="width: 145px;display:none;">';
        for (var i = 0; i < dropdown.elements.length; i++) {
            if (dropdown.elements[i]) {
                var value = dropdown.elements[i];
                var label = dropdown.label.replace(/{value}/gi, value);
                // output
                output += '<button type="button" onClick="WYSIWYG.execCommand(\'' + n + '\',\'' + dropdown.command + '\',\'' + value + '\')\;" onMouseOver="this.className=\'mouseOver\'" onMouseOut="this.className=\'mouseOut\'" class="mouseOut" style="width: 120px;">';
                output += '<table cellpadding="0" cellspacing="0" border="0"><tr>';
                output += '<td align="left">' + label + '</td>';
                output += '</tr></table></button><br>';
            }
        }
        output += '</span></td></tr></table>';

        return output;
    },
    /**
     * Close all drop downs. You can define a exclude dropdown id
     * 
     * @param {String} n The editor identifier (textarea ID)
     * @param {String} exid Excluded drop down identifier
     */
    closeDropDowns: function(n, exid) {
        if (typeof(exid) == "undefined")
            exid = "";
        var dropdowns = this.config[n].DropDowns;
        for (var id in dropdowns) {
            var dropdown = dropdowns[id];
            if (dropdown.id != exid) {
                var divId = "elm_" + dropdown.id + "_" + n;
                if ($(divId))
                    $(divId).style.display = 'none';
            }
        }
    },
    /**
     * Open a defined drop down
     * 
     * @param {String} n The editor identifier (textarea ID)
     * @param {String} id Drop down identifier
     */
    openDropDown: function(n, id) {
        var divId = "elm_" + id + "_" + n;
        if ($(divId).style.display == "none") {
            $(divId).style.display = "block";
        }
        else {
            $(divId).style.display = "none";
        }
        $(divId).style.position = "absolute";
        this.closeDropDowns(n, id);
    },
    /**
     * Shows the HTML source code generated by the WYSIWYG editor
     * 
     * @param {String} n The editor identifier (textarea ID)
     */
    viewSource: function(n) {

        // document
        var doc = this.getEditorWindow(n).document;

        // Enable table highlighting
        WYSIWYG_Table.disableHighlighting(n);

        // View Source for IE 	 
        if (WYSIWYG_Core.isMSIE) {
            var iHTML = doc.body.innerHTML;
            // strip off the absolute urls
            iHTML = this.stripURLPath(n, iHTML);
            // replace all decimal color strings with hex decimal color strings
            iHTML = WYSIWYG_Core.replaceRGBWithHexColor(iHTML);
            doc.body.innerText = iHTML;
        }
        // View Source for Mozilla/Netscape
        else {
            // replace all decimal color strings with hex decimal color strings
            var html = WYSIWYG_Core.replaceRGBWithHexColor(doc.body.innerHTML);
            html = document.createTextNode(html);
            doc.body.innerHTML = "";
            doc.body.appendChild(html);
        }

        // Hide the HTML Mode button and show the Text Mode button
        // Validate if Elements are present
        if ($('HTMLMode' + n)) {
            $('HTMLMode' + n).style.display = 'none';
        }
        if ($('textMode' + n)) {
            $('textMode' + n).style.display = 'block';
        }

        // set the font values for displaying HTML source
        doc.body.style.fontSize = "12px";
        doc.body.style.fontFamily = "Courier New";

        this.viewTextMode[n] = true;
    },
    /**
     * Shows the HTML source code generated by the WYSIWYG editor
     * 
     * @param {String} n The editor identifier (textarea ID)
     */
    viewText: function(n) {

        // get document
        var doc = this.getEditorWindow(n).document;

        // View Text for IE 	  	 
        if (WYSIWYG_Core.isMSIE) {
            var iText = doc.body.innerText;
            // strip off the absolute urls
            iText = this.stripURLPath(n, iText);
            // replace all decimal color strings with hex decimal color strings
            iText = WYSIWYG_Core.replaceRGBWithHexColor(iText);
            doc.body.innerHTML = iText;
        }

        // View Text for Mozilla/Netscape
        else {
            var html = doc.body.ownerDocument.createRange();
            html.selectNodeContents(doc.body);
            // replace all decimal color strings with hex decimal color strings
            html = WYSIWYG_Core.replaceRGBWithHexColor(html.toString());
            doc.body.innerHTML = html;
        }

        // Enable table highlighting
        WYSIWYG_Table.refreshHighlighting(n);

        // Hide the Text Mode button and show the HTML Mode button
        // Validate if Elements are present
        if ($('textMode' + n)) {
            $('textMode' + n).style.display = 'none';
        }
        if ($('HTMLMode' + n)) {
            $('HTMLMode' + n).style.display = 'block';
        }

        // reset the font values (changed)
        WYSIWYG_Core.setAttribute(doc.body, "style", this.config[n].DefaultStyle);

        this.viewTextMode[n] = false;
    },
    /* ---------------------------------------------------------------------- *\
     Function    : stripURLPath()
     Description : Strips off the defined image and the anchor urls of the given content.
     It also can strip the document URL automatically if you define auto.
     Usage       : WYSIWYG.stripURLPath(content)
     Arguments   : content  - Content on which the stripping applies
     \* ---------------------------------------------------------------------- */
    stripURLPath: function(n, content, exact) {

        // parameter exact is optional
        if (typeof exact == "undefined") {
            exact = true;
        }

        var stripImgageUrl = null;
        var stripAnchorUrl = null;

        // add url to strip of anchors to array
        if (this.config[n].AnchorPathToStrip == "auto") {
            stripAnchorUrl = WYSIWYG_Core.getDocumentUrl(document);
        }
        else if (this.config[n].AnchorPathToStrip != "") {
            stripAnchorUrl = this.config[n].AnchorPathToStrip;
        }

        // add strip url of images to array
        if (this.config[n].ImagePathToStrip == "auto") {
            stripImgageUrl = WYSIWYG_Core.getDocumentUrl(document);
        }
        else if (this.config[n].ImagePathToStrip != "") {
            stripImgageUrl = this.config[n].ImagePathToStrip;
        }

        var url;
        var regex;
        var result;
        // strip url of image path
        if (stripImgageUrl) {
            // escape reserved characters to be a valid regex	
            url = WYSIWYG_Core.stringToRegex(WYSIWYG_Core.getDocumentPathOfUrl(stripImgageUrl));

            // exact replacing of url. regex: src="<url>"
            if (exact) {
                regex = eval("/(src=\")(" + url + ")([^\"]*)/gi");
                content = content.replace(regex, "$1$3");
            }
            // not exect replacing of url. regex: <url>
            else {
                regex = eval("/(" + url + ")(.+)/gi");
                content = content.replace(regex, "$2");
            }

            // strip absolute urls without a heading slash ("images/print.gif")	
            result = WYSIWYG_Core.getDocumentPathOfUrl(stripImgageUrl).match(/.+[\/]{2,3}[^\/]*/, "");
            if (result) {
                url = WYSIWYG_Core.stringToRegex(result[0]);

                // exact replacing of url. regex: src="<url>"
                if (exact) {
                    regex = eval("/(src=\")(" + url + ")([^\"]*)/gi");
                    content = content.replace(regex, "$1$3");
                }
                // not exect replacing of url. regex: <url>
                else {
                    regex = eval("/(" + url + ")(.+)/gi");
                    content = content.replace(regex, "$2");
                }
            }
        }

        // strip url of image path
        if (stripAnchorUrl) {
            // escape reserved characters to be a valid regex		
            url = WYSIWYG_Core.stringToRegex(WYSIWYG_Core.getDocumentPathOfUrl(stripAnchorUrl));

            // strip absolute urls with a heading slash ("/product/index.html")
            // exact replacing of url. regex: src="<url>"
            if (exact) {
                regex = eval("/(href=\")(" + url + ")([^\"]*)/gi");
                content = content.replace(regex, "$1$3");
            }
            // not exect replacing of url. regex: <url>
            else {
                regex = eval("/(" + url + ")(.+)/gi");
                content = content.replace(regex, "$2");
            }

            // strip absolute urls without a heading slash ("product/index.html")	
            result = WYSIWYG_Core.getDocumentPathOfUrl(stripAnchorUrl).match(/.+[\/]{2,3}[^\/]*/, "");
            if (result) {
                url = WYSIWYG_Core.stringToRegex(result[0]);
                // exact replacing of url. regex: src="<url>"
                if (exact) {
                    regex = eval("/(href=\")(" + url + ")([^\"]*)/gi");
                    content = content.replace(regex, "$1$3");
                }
                // not exect replacing of url. regex: <url>
                else {
                    regex = eval("/(" + url + ")(.+)/gi");
                    content = content.replace(regex, "$2");
                }

            }

            // stip off anchor links with #name			
            url = WYSIWYG_Core.stringToRegex(stripAnchorUrl);
            // exact replacing of url. regex: src="<url>"
            if (exact) {
                regex = eval("/(href=\")(" + url + ")(#[^\"]*)/gi");
                content = content.replace(regex, "$1$3");
            }
            // not exect replacing of url. regex: <url>
            else {
                regex = eval("/(" + url + ")(.+)/gi");
                content = content.replace(regex, "$2");
            }


            // stip off anchor links with #name (only for local system)
            url = WYSIWYG_Core.getDocumentUrl(document);
            var pos = url.lastIndexOf("/");
            if (pos != -1) {
                url = url.substring(pos + 1, url.length);
                url = WYSIWYG_Core.stringToRegex(url);
                // exact replacing of url. regex: src="<url>"
                if (exact) {
                    regex = eval("/(href=\")(" + url + ")(#[^\"]*)/gi");
                    content = content.replace(regex, "$1$3");
                }
                // not exect replacing of url. regex: <url>
                else {
                    regex = eval("/(" + url + ")(.+)/gi");
                    content = content.replace(regex, "$2");
                }
            }
        }

        return content;
    },
    /* ---------------------------------------------------------------------- *\
     Function    : updateTextArea()
     Description : Updates the text area value with the HTML source of the WYSIWYG
     Arguments   : n   - The editor identifier (the textarea's ID)
     \* ---------------------------------------------------------------------- */
    updateTextArea: function(n) {
        // on update switch editor back to html mode
        if (this.viewTextMode[n]) {
            this.viewText(n);
        }
        // get inner HTML
        var content = this.getEditorWindow(n).document.body.innerHTML;
        // strip off defined URLs on IE
        content = this.stripURLPath(n, content);
        // replace all decimal color strings with hex color strings
        content = WYSIWYG_Core.replaceRGBWithHexColor(content);
        // remove line breaks before content will be updated
        if (this.config[n].ReplaceLineBreaks) {
            content = content.replace(/(\r\n)|(\n)/ig, "");
        }
        // set content back in textarea
        $(n).value = content;
    },
    /* ---------------------------------------------------------------------- *\
     Function    : hideToolbars()
     Description : Hide all toolbars
     Usage       : WYSIWYG.hideToolbars(n)
     Arguments   : n - The editor identifier (the textarea's ID)
     \* ---------------------------------------------------------------------- */
    hideToolbars: function(n) {
        for (var i = 0; i < this.config[n].Toolbar.length; i++) {
            var toolbar = $("toolbar" + i + "_" + n);
            if (toolbar) {
                toolbar.style.display = "none";
            }
        }
    },
    /* ---------------------------------------------------------------------- *\
     Function    : showToolbars()
     Description : Display all toolbars
     Usage       : WYSIWYG.showToolbars(n)
     Arguments   : n - The editor identifier (the textarea's ID)
     \* ---------------------------------------------------------------------- */
    showToolbars: function(n) {
        for (var i = 0; i < this.config[n].Toolbar.length; i++) {
            var toolbar = $("toolbar" + i + "_" + n);
            if (toolbar) {
                toolbar.style.display = "";
            }
        }
    },
    /* ---------------------------------------------------------------------- *\
     Function    : hideStatusBar()
     Description : Hide the status bar
     Usage       : WYSIWYG.hideStatusBar(n)
     Arguments   : n - The editor identifier (the textarea's ID)
     \* ---------------------------------------------------------------------- */
    hideStatusBar: function(n) {
        var statusbar = $('wysiwyg_statusbar_' + n);
        if (statusbar) {
            statusbar.style.display = "none";
        }
    },
    /* ---------------------------------------------------------------------- *\
     Function    : showStatusBar()
     Description : Display the status bar
     Usage       : WYSIWYG.showStatusBar(n)
     Arguments   : n - The editor identifier (the textarea's ID)
     \* ---------------------------------------------------------------------- */
    showStatusBar: function(n) {
        var statusbar = $('wysiwyg_statusbar_' + n);
        if (statusbar) {
            statusbar.style.display = "";
        }
    },
    /**
     * Finds the node with the given tag name in the given range
     * 
     * @param {String} tagName Parent tag to find
     * @param {Range} range Current range
     */
    findParent: function(parentTagName, range) {
        parentTagName = parentTagName.toUpperCase();
        var rangeWorking;
        var elmWorking = null;
        try {
            if (!WYSIWYG_Core.isMSIE) {
                var node = range.startContainer;
                var pos = range.startOffset;
                if (node.nodeType != 3) {
                    node = node.childNodes[pos];
                }
                return WYSIWYG_Core.findParentNode(parentTagName, node);
            }
            else {
                elmWorking = (range.length > 0) ? range.item(0) : range.parentElement();
                elmWorking = WYSIWYG_Core.findParentNode(parentTagName, elmWorking);
                if (elmWorking != null)
                    return elmWorking;

                rangeWorking = range.duplicate();
                rangeWorking.collapse(true);
                rangeWorking.moveEnd("character", 1);
                if (rangeWorking.text.length > 0) {
                    while (rangeWorking.compareEndPoints("EndToEnd", range) < 0) {
                        rangeWorking.move("Character");
                        if (null != this.findParentTag(parentTagName, rangeWorking)) {
                            return this.findParentTag(parentTagName, rangeWorking);
                        }
                    }
                }
                return null;
            }
        }
        catch (e) {
            return null;
        }
    },
    /**
     * Get the acutally tag of the given range
     *
     * @param {Range} range Current range
     */
    getTag: function(range) {
        try {
            if (!WYSIWYG_Core.isMSIE) {
                var node = range.startContainer;
                var pos = range.startOffset;
                if (node.nodeType != 3) {
                    node = node.childNodes[pos];
                }

                if (node.nodeName && node.nodeName.search(/#/) != -1) {
                    return node.parentNode;
                }
                return node;
            }
            else {
                if (range.length > 0) {
                    return range.item(0);
                }
                else if (range.parentElement()) {
                    return range.parentElement();
                }
            }
            return null;
        }
        catch (e) {
            return null;
        }
    },
    /**
     * Get the parent node of the given node
     * 
     * @param {DOMElement} element - Element which parent will be returned
     */
    getParent: function(element) {
        if (element.parentNode) {
            return element.parentNode;
        }
        return null;
    },
    /* ---------------------------------------------------------------------- *\
     Function    : getTextRange()
     Description : Get the text range object of the given element
     Usage       : WYSIWYG.getTextRange(element)
     Arguments   : element - An element of which you get the text range object
     \* ---------------------------------------------------------------------- */
    getTextRange: function(element) {
        var range = element.parentTextEdit.createTextRange();
        range.moveToElementText(element);
        return range;
    },
    /* ---------------------------------------------------------------------- *\
     Function    : invertIELineBreakCapability()
     Description : Inverts the line break capability of IE (Thx to richyrich)
     Normal: ENTER = <p> , SHIFT + ENTER = <br>
     Inverted: ENTER = <br>, SHIFT + ENTER = <p>
     Usage       : WYSIWYG.invertIELineBreakCapability(n)
     Arguments   : n   - The editor identifier (the textarea's ID)
     \* ---------------------------------------------------------------------- */
    invertIELineBreakCapability: function(n) {

        var editor = this.getEditorWindow(n);
        var sel;
        // validate if the press key is the carriage return key
        if (editor.event.keyCode == 13) {
            if (!editor.event.shiftKey) {
                sel = this.getRange(this.getSelection(n));
                sel.pasteHTML("<br>");
                editor.event.cancelBubble = true;
                editor.event.returnValue = false;
                sel.select();
                sel.moveEnd("character", 1);
                sel.moveStart("character", 1);
                sel.collapse(false);
                return false;
            }
            else {
                sel = this.getRange(this.getSelection(n));
                sel.pasteHTML("<p>");
                editor.event.cancelBubble = true;
                editor.event.returnValue = false;
                sel.select();
                sel.moveEnd("character", 1);
                sel.moveStart("character", 1);
                sel.collapse(false);
                return false;
            }
        }
    },
    /* ---------------------------------------------------------------------- *\
     Function    : selectNode()
     Description : Select a node within the current editor
     Usage       : WYSIWYG.selectNode(n, level)
     Arguments   : n   - The editor identifier (the textarea's ID)
     level - identifies the level of the element which will be selected
     \* ---------------------------------------------------------------------- */
    selectNode: function(n, level) {

        var sel = this.getSelection(n);
        var range = this.getRange(sel);
        var parentnode = this.getTag(range);
        var i = 0;

        for (var node = parentnode; (node && (node.nodeType == 1)); node = node.parentNode) {
            if (i == level) {
                this.nodeSelection(n, node);
            }
            i++;
        }

        this.updateStatusBar(n);
    },
    /* ---------------------------------------------------------------------- *\
     Function    : nodeSelection()
     Description : Do the node selection
     Usage       : WYSIWYG.nodeSelection(n, node)
     Arguments   : n   - The editor identifier (the textarea's ID)
     node - The node which will be selected
     \* ---------------------------------------------------------------------- */
    nodeSelection: function(n, node) {

        var doc = this.getEditorWindow(n).document;
        var sel = this.getSelection(n);
        var range = this.getRange(sel);

        if (!WYSIWYG_Core.isMSIE) {
            if (node.nodeName == "BODY") {
                range.selectNodeContents(node);
            } else {
                range.selectNode(node);
            }

            /*
             if (endNode) {
             try {
             range.setStart(node, startOffset);
             range.setEnd(endNode, endOffset);
             } catch(e) {
             }
             }
             */

            if (sel) {
                sel.removeAllRanges();
            }
            if (sel) {
                sel.addRange(range);
            }
        }
        else {
            // MSIE may not select everything when BODY is selected - 
            // start may be set to first text node instead of first non-text node - 
            // no known workaround
            if ((node.nodeName == "TABLE") || (node.nodeName == "IMG") || (node.nodeName == "INPUT") || (node.nodeName == "SELECT") || (node.nodeName == "TEXTAREA")) {
                try {
                    range = doc.body.createControlRange();
                    range.addElement(node);
                    range.select();
                }
                catch (e) {
                }
            }
            else {
                range = doc.body.createTextRange();
                if (range) {
                    range.collapse();
                    if (range.moveToElementText) {
                        try {
                            range.moveToElementText(node);
                            range.select();
                        } catch (e) {
                            try {
                                range = doc.body.createTextRange();
                                range.moveToElementText(node);
                                range.select();
                            }
                            catch (e) {
                            }
                        }
                    } else {
                        try {
                            range = doc.body.createTextRange();
                            range.moveToElementText(node);
                            range.select();
                        }
                        catch (e) {
                        }
                    }
                }
            }
        }
    }
}

/********************************************************************
 * openWYSIWYG core functions Copyright (c) 2006 openWebWare.com
 * Contact us at devs@openwebware.com
 * This copyright notice MUST stay intact for use.
 *
 * $Id: wysiwyg.js,v 1.22 2007/09/08 21:45:57 xhaggi Exp $
 ********************************************************************/
var WYSIWYG_Core = {
    /**
     * Holds true if browser is MSIE, otherwise false
     */
    isMSIE: navigator.appName == "Microsoft Internet Explorer" ? true : false,
    /**
     * Holds true if browser is Firefox (Mozilla)
     */
    isFF: !document.all && document.getElementById && !this.isOpera,
    /**
     * Holds true if browser is Opera, otherwise false
     */
    isOpera: navigator.appName == "Opera" ? true : false,
    /**
     * Trims whitespaces of the given string
     *
     * @param str String
     * @return Trimmed string
     */
    trim: function(str) {
        return str.replace(/^\s*|\s*$/g, "");
    },
    /**
     * Determine if the given parameter is defined
     * 
     * @param p Parameter
     * @return true/false dependents on definition of the parameter 
     */
    defined: function(p) {
        return typeof p == "undefined" ? false : true;
    },
    /**
     * Determine if the browser version is compatible
     *
     * @return true/false depending on compatiblity of the browser
     */
    isBrowserCompatible: function() {
        // Validate browser and compatiblity
        if ((navigator.userAgent.indexOf('Safari') != -1) || !document.getElementById || !document.designMode) {
            //no designMode (Safari lies)
            return false;
        }
        return true;
    },
    /**
     * Set the style attribute of the given element.
     * Private method to solve the IE bug while setting the style attribute.
     *
     * @param {DOMElement} node The element on which the style attribute will affect
     * @param {String} style Stylesheet which will be set
     */
    _setStyleAttribute: function(node, style) {
        if (style == null)
            return;
        var styles = style.split(";");
        var pos;
        for (var i = 0; i < styles.length; i++) {
            var attributes = styles[i].split(":");
            if (attributes.length == 2) {
                try {
                    var attr = WYSIWYG_Core.trim(attributes[0]);
                    while ((pos = attr.search(/-/)) != -1) {
                        var strBefore = attr.substring(0, pos);
                        var strToUpperCase = attr.substring(pos + 1, pos + 2);
                        var strAfter = attr.substring(pos + 2, attr.length);
                        attr = strBefore + strToUpperCase.toUpperCase() + strAfter;
                    }
                    var value = WYSIWYG_Core.trim(attributes[1]).toLowerCase();
                    node.style[attr] = value;
                }
                catch (e) {
                    alert(e);
                }
            }
        }
    },
    /**
     * Fix's the issue while getting the attribute style on IE
     * It's return an object but we need the style string
     *
     * @private
     * @param {DOMElement} node Node element
     * @return {String} Stylesheet
     */
    _getStyleAttribute: function(node) {
        if (this.isMSIE) {
            return node.style['cssText'].toLowerCase();
        }
        else {
            return node.getAttribute("style");
        }
    },
    /**
     * Set an attribute's value on the given node element.
     *
     * @param {DOMElement} node Node element
     * @param {String} attr Attribute which is set
     * @param {String} value Value of the attribute
     */
    setAttribute: function(node, attr, value) {
        if (value == null || node == null || attr == null)
            return;
        if (attr.toLowerCase() == "style") {
            this._setStyleAttribute(node, value);
        }
        else {
            node.setAttribute(attr, value);
        }
    },
    /**
     * Removes an attribute on the given node
     * 
     * @param {DOMElement} node Node element
     * @param {String} attr Attribute which will be removed
     */
    removeAttribute: function(node, attr) {
        node.removeAttribute(attr, false);
    },
    /**
     * Get the vale of the attribute on the given node
     * 
     * @param {DOMElement} node Node element
     * @param {String} attr Attribute which value will be returned
     */
    getAttribute: function(node, attr) {
        if (node == null || attr == null)
            return;
        if (attr.toLowerCase() == "style") {
            return this._getStyleAttribute(node);
        }
        else {
            return node.getAttribute(attr);
        }
    },
    /**
     * Get the path out of an given url
     * 
     * @param {String} url The url with is used to get the path
     */
    getDocumentPathOfUrl: function(url) {
        var path = null;

        // if local file system, convert local url into web url
        url = url.replace(/file:\/\//gi, "file:///");
        url = url.replace(/\\/gi, "\/");
        var pos = url.lastIndexOf("/");
        if (pos != -1) {
            path = url.substring(0, pos + 1);
        }
        return path;
    },
    /**
     * Get the documents url, convert local urls to web urls
     * 
     * @param {DOMElement} doc Document which is used to get the url
     */
    getDocumentUrl: function(doc) {
        // if local file system, convert local url into web url
        var url = doc.URL;
        url = url.replace(/file:\/\//gi, "file:///");
        url = url.replace(/\\/gi, "\/");
        return url;
    },
    /**
     * Find a parent node with the given name, of the given start node
     * 
     * @param {String} tagName - Tag name of the node to find
     * @param {DOMElement} node - Node element
     */
    findParentNode: function(tagName, node) {
        while (node.tagName != "HTML") {
            if (node.tagName == tagName) {
                return node;
            }
            node = node.parentNode;
        }
        return null;
    },
    /**
     * Cancel the given event.
     *
     * @param e Event which will be canceled
     */
    cancelEvent: function(e) {
        if (!e)
            return false;
        if (this.isMSIE) {
            e.returnValue = false;
            e.cancelBubble = true;
        } else {
            e.preventDefault();
            e.stopPropagation && e.stopPropagation();
        }
        return false;
    },
    /**
     * Converts a RGB color string to hex color string.
     *
     * @param color RGB color string
     * @param Hex color string
     */
    toHexColor: function(color) {
        color = color.replace(/^rgb/g, '');
        color = color.replace(/\(/g, '');
        color = color.replace(/\)/g, '');
        color = color.replace(/ /g, '');
        color = color.split(',');
        var r = parseFloat(color[0]).toString(16).toUpperCase();
        var g = parseFloat(color[1]).toString(16).toUpperCase();
        var b = parseFloat(color[2]).toString(16).toUpperCase();
        if (r.length < 2) {
            r = '0' + r;
        }
        if (g.length < 2) {
            g = '0' + g;
        }
        if (b.length < 2) {
            b = '0' + b;
        }
        return r + g + b;
    },
    /**
     * Converts a decimal color to hex color string.
     *
     * @param Decimal color
     * @param Hex color string
     */
    _dec_to_rgb: function(value) {
        var hex_string = "";
        for (var hexpair = 0; hexpair < 3; hexpair++) {
            var myByte = value & 0xFF;            // get low byte
            value >>= 8;                          // drop low byte
            var nybble2 = myByte & 0x0F;          // get low nybble (4 bits)
            var nybble1 = (myByte >> 4) & 0x0F;   // get high nybble
            hex_string += nybble1.toString(16);   // convert nybble to hex
            hex_string += nybble2.toString(16);   // convert nybble to hex
        }
        return hex_string.toUpperCase();
    },
    /**
     * Replace RGB color strings with hex color strings within a string.
     * 
     * @param {String} str RGB String
     * @param {String} Hex color string
     */
    replaceRGBWithHexColor: function(str) {
        if (str == null)
            return "";
        // find all decimal color strings
        var matcher = str.match(/rgb\([0-9 ]+,[0-9 ]+,[0-9 ]+\)/gi);
        if (matcher) {
            for (var j = 0; j < matcher.length; j++) {
                var regex = eval("/" + WYSIWYG_Core.stringToRegex(matcher[j]) + "/gi");
                // replace the decimal color strings with hex color strings
                str = str.replace(regex, "#" + this.toHexColor(matcher[j]));
            }
        }
        return str;
    },
    /**
     * Execute the given command on the given editor
     * 
     * @param n The editor's identifier
     * @param cmd Command which is execute
     */
    execCommand: function(n, cmd, value) {
        if (typeof(value) == "undefined")
            value = null;

        // firefox BackColor problem fixed
        if (cmd == 'BackColor' && WYSIWYG_Core.isFF)
            cmd = 'HiliteColor';

        // firefox cut, paste and copy
        if (WYSIWYG_Core.isFF && (cmd == "Cut" || cmd == "Paste" || cmd == "Copy")) {
            try {
                WYSIWYG.getEditorWindow(n).document.execCommand(cmd, false, value);
            }
            catch (e) {
                if (confirm("Copy/Cut/Paste is not available in Mozilla and Firefox\nDo you want more information about this issue?")) {
                    window.open('http://www.mozilla.org/editor/midasdemo/securityprefs.html');
                }
            }
        }

        else {
            WYSIWYG.getEditorWindow(n).document.execCommand(cmd, false, value);
        }
    },
    /**
     * Parse a given string to a valid regular expression
     * 
     * @param {String} string String to be parsed
     * @return {RegEx} Valid regular expression
     */
    stringToRegex: function(string) {

        string = string.replace(/\//gi, "\\/");
        string = string.replace(/\(/gi, "\\(");
        string = string.replace(/\)/gi, "\\)");
        string = string.replace(/\[/gi, "\\[");
        string = string.replace(/\]/gi, "\\]");
        string = string.replace(/\+/gi, "\\+");
        string = string.replace(/\$/gi, "\\$");
        string = string.replace(/\*/gi, "\\*");
        string = string.replace(/\?/gi, "\\?");
        string = string.replace(/\^/gi, "\\^");
        string = string.replace(/\\b/gi, "\\\\b");
        string = string.replace(/\\B/gi, "\\\\B");
        string = string.replace(/\\d/gi, "\\\\d");
        string = string.replace(/\\B/gi, "\\\\B");
        string = string.replace(/\\D/gi, "\\\\D");
        string = string.replace(/\\f/gi, "\\\\f");
        string = string.replace(/\\n/gi, "\\\\n");
        string = string.replace(/\\r/gi, "\\\\r");
        string = string.replace(/\\t/gi, "\\\\t");
        string = string.replace(/\\v/gi, "\\\\v");
        string = string.replace(/\\s/gi, "\\\\s");
        string = string.replace(/\\S/gi, "\\\\S");
        string = string.replace(/\\w/gi, "\\\\w");
        string = string.replace(/\\W/gi, "\\\\W");

        return string;
    },
    /**
     * Add an event listener
     *
     * @param obj Object on which the event will be attached
     * @param ev Kind of event
     * @param fu Function which is execute on the event
     */
    addEvent: function(obj, ev, fu) {
        if (obj.attachEvent)
            obj.attachEvent("on" + ev, fu);
        else
            obj.addEventListener(ev, fu, false);
    },
    /**
     * Remove an event listener
     *
     * @param obj Object on which the event will be attached
     * @param ev Kind of event
     * @param fu Function which is execute on the event
     */
    removeEvent: function(obj, ev, fu) {
        if (obj.attachEvent)
            obj.detachEvent("on" + ev, fu);
        else
            obj.removeEventListener(ev, fu, false);
    },
    /**
     * Includes a javascript file
     *
     * @param file Javascript file path and name
     */
    includeJS: function(file) {
        var script = document.createElement("script");
        this.setAttribute(script, "type", "text/javascript");
        this.setAttribute(script, "src", file);
        var heads = document.getElementsByTagName("head");
        for (var i = 0; i < heads.length; i++) {
            heads[i].appendChild(script);
        }
    },
    /**
     * Includes a stylesheet file
     *
     * @param file Stylesheet file path and name
     */
    includeCSS: function(path) {
        var link = document.createElement("link");
        this.setAttribute(link, "rel", "stylesheet");
        this.setAttribute(link, "type", "text/css");
        this.setAttribute(link, "href", path);
        var heads = document.getElementsByTagName("head");
        for (var i = 0; i < heads.length; i++) {
            heads[i].appendChild(link);
        }
    },
    /**
     * Get the screen position of the given element.
     * 
     * @param {HTMLObject} elm1 Element which position will be calculate
     * @param {HTMLObject} elm2 Element which is the last one before calculation stops
     * @param {Object} Left and top position of the given element
     */
    getElementPosition: function(elm1, elm2) {
        var top = 0, left = 0;
        while (elm1 && elm1 != elm2) {
            left += elm1.offsetLeft;
            top += elm1.offsetTop;
            elm1 = elm1.offsetParent;
        }
        return {left: left, top: top};
    },
    /**
     * Get the window size
     * @private
     */
    windowSize: function() {
        if (window.innerWidth) {
            return {width: window.innerWidth, height: window.innerHeight};
        }
        else if (document.body && document.body.offsetWidth) {
            return {width: document.body.offsetWidth, height: document.body.offsetHeight};
        }
        else {
            return {width: 0, height: 0};
        }
    }
}

/**
 * Context menu object
 */
var WYSIWYG_ContextMenu = {
    html: "",
    contextMenuDiv: null,
    /**
     * Init function
     *
     * @param {String} n Editor identifier
     */
    init: function(n) {
        var doc = WYSIWYG.getEditorWindow(n).document;

        // create context menu div
        this.contextMenuDiv = document.createElement("div");
        this.contextMenuDiv.className = "wysiwyg-context-menu-div";
        this.contextMenuDiv.setAttribute("class", "wysiwyg-context-menu-div");
        this.contextMenuDiv.style.display = "none";
        this.contextMenuDiv.style.position = "absolute";
        this.contextMenuDiv.style.zIndex = 9999;
        this.contextMenuDiv.style.left = "0";
        this.contextMenuDiv.style.top = "0";
        this.contextMenuDiv.unselectable = "on";
        document.body.insertBefore(this.contextMenuDiv, document.body.firstChild);

        // bind event listeners
        WYSIWYG_Core.addEvent(doc, "contextmenu", function context(e) {
            WYSIWYG_ContextMenu.show(e, n);
        });
        WYSIWYG_Core.addEvent(doc, "click", function context(e) {
            WYSIWYG_ContextMenu.close();
        });
        WYSIWYG_Core.addEvent(doc, "keydown", function context(e) {
            WYSIWYG_ContextMenu.close();
        });
        WYSIWYG_Core.addEvent(document, "click", function context(e) {
            WYSIWYG_ContextMenu.close();
        });
    },
    /**
     * Show the context menu
     *
     * @param e Event
     * @param n Editor identifier
     */
    show: function(e, n) {
        if (this.contextMenuDiv == null)
            return false;

        var ifrm = WYSIWYG.getEditor(n);
        var doc = WYSIWYG.getEditorWindow(n).document;

        // set the context menu position
        var pos = WYSIWYG_Core.getElementPosition(ifrm);
        var x = WYSIWYG_Core.isMSIE ? pos.left + e.clientX : pos.left + (e.pageX - doc.body.scrollLeft);
        var y = WYSIWYG_Core.isMSIE ? pos.top + e.clientY : pos.top + (e.pageY - doc.body.scrollTop);

        this.contextMenuDiv.style.left = x + "px";
        this.contextMenuDiv.style.top = y + "px";
        this.contextMenuDiv.style.visibility = "visible";
        this.contextMenuDiv.style.display = "block";

        // call the context menu, mozilla needs some time
        window.setTimeout("WYSIWYG_ContextMenu.output('" + n + "')", 10);

        WYSIWYG_Core.cancelEvent(e);
        return false;
    },
    /**
     * Output the context menu items
     *
     * @param n Editor identifier
     */
    output: function(n) {

        // get selection
        var sel = WYSIWYG.getSelection(n);
        var range = WYSIWYG.getRange(sel);

        // get current selected node					
        var tag = WYSIWYG.getTag(range);
        if (tag == null) {
            return;
        }

        // clear context menu
        this.clear();

        // Determine kind of nodes
        var isImg = (tag.nodeName == "IMG") ? true : false;
        var isLink = (tag.nodeName == "A") ? true : false;

        // Selection is an image or selection is a text with length greater 0
        var len = 0;
        if (WYSIWYG_Core.isMSIE)
            len = (document.selection && range.text) ? range.text.length : 0;
        else
            len = range.toString().length;
        var sel = len != 0 || isImg;

        // Icons
        var iconLink = {enabled: WYSIWYG.config[n].ImagesDir + WYSIWYG.ToolbarList["createlink"][3], disabled: WYSIWYG.config[n].ImagesDir + WYSIWYG.ToolbarList["createlink"][2]};
        var iconImage = {enabled: WYSIWYG.config[n].ImagesDir + WYSIWYG.ToolbarList["insertimage"][3], disabled: WYSIWYG.config[n].ImagesDir + WYSIWYG.ToolbarList["insertimage"][2]};
        var iconDelete = {enabled: WYSIWYG.config[n].ImagesDir + WYSIWYG.ToolbarList["delete"][3], disabled: WYSIWYG.config[n].ImagesDir + WYSIWYG.ToolbarList["delete"][2]};
        var iconCopy = {enabled: WYSIWYG.config[n].ImagesDir + WYSIWYG.ToolbarList["copy"][3], disabled: WYSIWYG.config[n].ImagesDir + WYSIWYG.ToolbarList["copy"][2]};
        var iconCut = {enabled: WYSIWYG.config[n].ImagesDir + WYSIWYG.ToolbarList["cut"][3], disabled: WYSIWYG.config[n].ImagesDir + WYSIWYG.ToolbarList["cut"][2]};
        var iconPaste = {enabled: WYSIWYG.config[n].ImagesDir + WYSIWYG.ToolbarList["paste"][3], disabled: WYSIWYG.config[n].ImagesDir + WYSIWYG.ToolbarList["paste"][2]};

        // Create context menu html
        this.html += '<table class="wysiwyg-context-menu" border="0" cellpadding="0" cellspacing="0">';

        // Add items
        this.addItem(n, 'Copy', iconCopy, 'Copy', sel);
        this.addItem(n, 'Cut', iconCut, 'Cut', sel);
        this.addItem(n, 'Paste', iconPaste, 'Paste', true);
        this.addSeperator();
        this.addItem(n, 'InsertImage', iconImage, 'Modify Image Properties...', isImg);
        this.addItem(n, 'CreateLink', iconLink, 'Create or Modify Link...', sel || isLink);
        this.addItem(n, 'RemoveNode', iconDelete, 'Remove', true);

        this.html += '</table>';
        this.contextMenuDiv.innerHTML = this.html;
    },
    /**
     * Close the context menu
     */
    close: function() {
        this.contextMenuDiv.style.visibility = "hidden";
        this.contextMenuDiv.style.display = "none";
    },
    /**
     * Clear context menu
     */
    clear: function() {
        this.contextMenuDiv.innerHTML = "";
        this.html = "";
    },
    /**
     * Add context menu item 
     * 
     * @param n editor identifier
     * @param cmd Command
     * @param icon Icon which is diabled
     * @param title Title of the item
     * @param disabled If item is diabled
     */
    addItem: function(n, cmd, icon, title, disabled) {
        var item = '';

        if (disabled) {
            item += '<tr>';
            item += '<td class="icon"><a href="javascript:WYSIWYG.execCommand(\'' + n + '\',\'' + cmd + '\', null);"><img src="' + icon.enabled + '" border="0"></a></td>';
            item += '<td onmouseover="this.className=\'mouseover\'" onmouseout="this.className=\'\'" onclick="WYSIWYG.execCommand(\'' + n + '\', \'' + cmd + '\', null);WYSIWYG_ContextMenu.close();"><a href="javascript:void(0);">' + title + '</a></td>';
            item += '</tr>';
        }
        else {
            item += '<tr>';
            item += '<td class="icon"><img src="' + icon.disabled + '" border="0"></td>';
            item += '<td onmouseover="this.className=\'mouseover\'" onmouseout="this.className=\'\'"><span class="disabled">' + title + '</span></td>';
            item += '</tr>';
        }

        this.html += item;
    },
    /**
     * Add seperator to context menu
     */
    addSeperator: function() {
        var output = '';
        output += '<tr>';
        output += '<td colspan="2" style="text-align:center;"><hr size="1" color="#C9C9C9" width="95%"></td>';
        output += '</tr>';
        this.html += output;
    }
}

/**
 * Table object
 */
var WYSIWYG_Table = {
    /**
     * 
     */
    create: function(n, tbl) {

        // get editor
        var doc = WYSIWYG.getEditorWindow(n).document;
        // get selection and range
        var sel = WYSIWYG.getSelection(n);
        var range = WYSIWYG.getRange(sel);
        var table = null;

        // get element from selection
        if (WYSIWYG_Core.isMSIE) {
            if (sel.type == "Control" && range.length == 1) {
                range = WYSIWYG.getTextRange(range(0));
                range.select();
            }
        }

        // find a parent TABLE element
        //table = WYSIWYG.findParent("table", range);

        // check if parent is found
        //var update = (table == null) ? false : true;
        //if(!update) table = tbl;
        table = tbl;

        // add rows and cols
        var rows = WYSIWYG_Core.getAttribute(tbl, "tmprows");
        var cols = WYSIWYG_Core.getAttribute(tbl, "tmpcols");
        WYSIWYG_Core.removeAttribute(tbl, "tmprows");
        WYSIWYG_Core.removeAttribute(tbl, "tmpcols");
        for (var i = 0; i < rows; i++) {
            var tr = doc.createElement("tr");
            for (var j = 0; j < cols; j++) {
                var td = createTD();
                tr.appendChild(td);
            }
            table.appendChild(tr);
        }

        // on update exit here
        //if(update) { return; }

        // Check if IE or Mozilla (other)
        if (WYSIWYG_Core.isMSIE) {
            range.pasteHTML(table.outerHTML);
        }
        else {
            WYSIWYG.insertNodeAtSelection(table, n);
        }

        // refresh table highlighting
        this.refreshHighlighting(n);




        // functions
        function createTD() {
            var td = doc.createElement("td");
            td.innerHTML = "&nbsp;";
            return td;
        }

    },
    /**
     * Enables the table highlighting
     * 
     * @param {String} n The editor identifier (the textarea's ID)
     */
    refreshHighlighting: function(n) {
        var doc = WYSIWYG.getEditorWindow(n).document;
        var tables = doc.getElementsByTagName("table");
        for (var i = 0; i < tables.length; i++) {
            this._enableHighlighting(tables[i]);
        }
        var tds = doc.getElementsByTagName("td");
        for (var i = 0; i < tds.length; i++) {
            this._enableHighlighting(tds[i]);
        }
    },
    /**
     * Enables the table highlighting
     * 
     * @param {String} n The editor identifier (the textarea's ID)
     */
    disableHighlighting: function(n) {
        var doc = WYSIWYG.getEditorWindow(n).document;
        var tables = doc.getElementsByTagName("table");
        for (var i = 0; i < tables.length; i++) {
            this._disableHighlighting(tables[i]);
        }
        var tds = doc.getElementsByTagName("td");
        for (var i = 0; i < tds.length; i++) {
            this._disableHighlighting(tds[i]);
        }

    },
    /**
     * @private
     */
    _enableHighlighting: function(node) {
        var style = WYSIWYG_Core.getAttribute(node, "style");
        if (style == null)
            style = " ";
        //alert("ENABLE: ELM = " + node.tagName + "; STYLE = " + style);
        WYSIWYG_Core.removeAttribute(node, "prevstyle");
        WYSIWYG_Core.setAttribute(node, "prevstyle", style);
        WYSIWYG_Core.setAttribute(node, "style", "border:1px dashed #AAAAAA;");
    },
    /**
     * @private
     */
    _disableHighlighting: function(node) {
        var style = WYSIWYG_Core.getAttribute(node, "prevstyle");
        //alert("DISABLE: ELM = " + node.tagName + "; STYLE = " + style);
        // if no prevstyle is defined, the table is not in highlighting mode
        if (style == null || style == "") {
            this._enableHighlighting(node);
            return;
        }
        WYSIWYG_Core.removeAttribute(node, "prevstyle");
        WYSIWYG_Core.removeAttribute(node, "style");
        WYSIWYG_Core.setAttribute(node, "style", style);
    }
}


/**
 * Get an element by it's identifier
 *
 * @param id Element identifier
 */
function $(id) {
    return document.getElementById(id);
}

/**
 * Emulates insertAdjacentHTML(), insertAdjacentText() and 
 * insertAdjacentElement() three functions so they work with Netscape 6/Mozilla
 * by Thor Larholm me@jscript.dk
 */
if (typeof HTMLElement != "undefined" && !HTMLElement.prototype.insertAdjacentElement) {
    HTMLElement.prototype.insertAdjacentElement = function(where, parsedNode) {
        switch (where) {
            case 'beforeBegin':
                this.parentNode.insertBefore(parsedNode, this);
                break;
            case 'afterBegin':
                this.insertBefore(parsedNode, this.firstChild);
                break;
            case 'beforeEnd':
                this.appendChild(parsedNode);
                break;
            case 'afterEnd':
                if (this.nextSibling) {
                    this.parentNode.insertBefore(parsedNode, this.nextSibling);
                }
                else {
                    this.parentNode.appendChild(parsedNode);
                }
                break;
        }
    };

    HTMLElement.prototype.insertAdjacentHTML = function(where, htmlStr) {
        var r = this.ownerDocument.createRange();
        r.setStartBefore(this);
        var parsedHTML = r.createContextualFragment(htmlStr);
        this.insertAdjacentElement(where, parsedHTML);
    };


    HTMLElement.prototype.insertAdjacentText = function(where, txtStr) {
        var parsedText = document.createTextNode(txtStr);
        this.insertAdjacentElement(where, parsedText);
    };
}



